Old MissionvsStirling

Old Mission (aroma) and Stirling (dual purpose) serve different purposes. Comparing acids, aromas and character helps pick the right hop.

Old Mission

Aroma

Alpha acid

4.33%

Beta acid

3.7%

Total oil

-

United States

Stirling

Dual purpose

Alpha acid

6–12%

Beta acid

4–6%

Total oil

1.3–1.9 mL

United States

Key differences

When to pick Old Mission

  • Aroma-focused - ideal for dry hopping
  • Richer, more complex aroma profile

When to pick Stirling

  • Higher alpha acid - stronger bittering
  • Higher beta acid - smoother, longer-lasting bitterness
  • Versatile - works for both bittering and aroma

Aroma profile and use

Shared aromas

SpicyHerbal

Only in Old Mission

CitrusPineBlack currantTart

Only in Stirling

CitusFloral

Property

PropertyOld MissionStirling
Alpha acid4.33%6–12%
Beta acid3.7%4–6%
Co-humulone-21–28%
Total oil-1.3–1.9 mL
Myrcene-44–48%
Humulene-19–23%
Caryophyllene-5–7%
Farnesene-11–17%
OriginUnited StatesUnited States
PurposeAromaDual purpose